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List of results

atmospheric optics + (The study of the optical characteristics of the [[atmosphere]] or products of atmospheric processes.)
aerological analysis + (The study of the physical state of the [[atmosphere]] derived from vertical [[sounding]] data plotted on thermodynamic diagrams.)
atmospheric dynamics + (The study of those motions of the [[atmosphere]] that are associated with weather and [[climate]].)
bathymetry + (The study of water depths.)
air pollution meteorology + (The subdiscipline of meteorology devoted to the study of [[air pollution]].)
average net balance + (The sum of [[accumulation]] and [[ablation]] over an [[ice]] mass (the [[mass balance]]) divided by the total surface area.)
balance + (The sum of [[accumulation]] and [[ablation]].)
boundary of saturation + (The surface between the saturated and unsaturated zones in a soil.)
axial symmetry + (The symmetry that describes a three-dimensional configuration that is the same in every plane containing the axis of symmetry.)
barometric hypsometry + (The technique of estimating [[elevation]] by means of [[atmospheric pressure]] measurements.)
basin lag + (The time difference between the centroids … The time difference between the centroids of [[rainfall excess]] and its corresponding [[surface runoff|surface runoff]] produced in the [[basin]]. It is equal to the first moment of the [[instantaneous unit hydrograph]] of the [[basin]]. Conceptually, it is defined as the average length of time for which water produced by a [[rainfall]] remains in residence in the basin.[[rainfall]] remains in residence in the basin.)
accumulated cooling + (The total cooling since the time in the evening when the turbulent [[heat flux]] near the ground produces a net [[heat]] flow from the earth to the [[atmosphere]]; used to measure or predict evolution of the [[stable boundary layer]].)
acoustic impedance + (The total reaction of a medium to [[sound]] transmission through it, represented by the complex ratio of the sound pressure to the [[effective flux]], that is, [[particle velocity]] times surface area through the medium, expressed in acoustic ohms.)
biogeochemical cycle + (The transformation and [[transport]] of substances within and among the [[atmosphere]], [[biosphere]], [[hydrosphere]], and [[lithosphere]] via biological, geological, and chemical processes that are often cyclical in nature.)
afternoon effect + (The trapping of acoustic [[energy]] near the surface of the ocean as the result of solar heating on days with low winds.)
absolute altitude + (The true vertical distance above the terrain.)
baromil + (The unit of length used in graduating a [[mercury barometer]] in the centimeter-gram- second system.)
acoustic imaging + (The use of acoustic [[energy]] to form a representation of a physical object, such as [[side-scanning sonar]] imaging of objects on the ocean bottom.)
buoyancy flux + (The vertical [[kinematic flux]] … The vertical [[kinematic flux]] of [[virtual potential temperature]] [[File:ams2001glos-Bex04.gif|link=|ams2001glos-Bex04]], which when multiplied by the [[buoyancy]] parameter (''g''/''T''''v'') yields a [[flux]] that is proportional to buoyancy, that is, <blockquote>[[File:ams2001glos-Be25.gif|link=|center|ams2001glos-Be25]]</blockquote> This is also a term in the [[turbulence kinetic energy]] budget, describing buoyant production or [[consumption]] of [[turbulence]]. It also appears in the numerator of the [[flux Richardson number]]. Stull, R. B. 1988. An Introduction to Boundary Layer Meteorology. 666 pp.> Stull, R. B. 1988. An Introduction to Boundary Layer Meteorology. 666 pp.)
actual elevation + (The vertical distance above [[mean sea level]] of the ground at the [[meteorological station|meteorological station]]. This term is denoted by the symbol ''H'' in international usage.)
acre-foot + (The volume of water represented by a depth of 1 ft over an area of 1 acre.)
Brazil Current + (The western [[boundary currents|boundary current]] … The western [[boundary currents|boundary current]] of the South Atlantic subtropical [[gyres|gyre]]. Fed by the [[South Equatorial Current]], it flows as a narrow, swift current from 10°S southward along the South American coast. The Brazil Current is one of the weaker western boundary currents with a total [[transport]] of less than 30 Sv (30 × 106 m3s-1), half of this occurring over the shelf. Current speed is below or near 1 m s-1. The current separates from the coast somewhere between 33° and 38°S, forming a front with the northward flowing [[Malvinas Current|Malvinas (Falkland) Current]] and continuing southward on the eastern side of the front. The separation point is more northward in summer (December–February). The southernmost extent of the Brazil Current varies between 38° and 46°S on a two-month timescale associated with [[eddy]] shedding. The current continues eastward as the [[South Atlantic Current]].Atlantic Current]].)
absolute zero + (The zero [[point]] of the [[Kelvin temperature scale]], of fundamental significance in [[thermodynamics]] and statistical mechanics.)
along-valley wind systems + (Thermally forced winds blowing along the main (longitudinal) axis of a valley, sometimes accompanied by countercurrents aloft; the up- and down-valley components of the [[mountain–valley wind systems]].)
along-slope wind systems + (Thermally forced winds that blow up or dow … Thermally forced winds that blow up or down the sidewall slopes in a mountain valley, and the accompanying countercurrents when present; the slope-wind components of the [[mountain–valley wind systems|mountain–valley wind system]]. During the daytime this system consists of upslope ([[anabatic]]) flow adjacent to the slope and often a compensatory return [[current]] directed downslope just above the upslope layer. At night it is a downslope ([[katabatic wind|katabatic]]) flow layer near the slope, sometimes with a [[return flow]] aloft.turn flow]] aloft.)

Glossary of Meteorology:Extension tests + (This is SemanticGlossary Term Definition)

available solar radiation + (Total [[solar radiation]] intercepted by the earth, given by 2πrS, where r is the earth's radius and S the [[solar constant]].)
atomic number + (Total number of [[protons]] (and hence [[electrons]] for a neutral atom) in an atomic [[nucleus]].)
annual runoff + (Total volume of water that is discharged from a [[drainage area]] ([[watershed]] or catchment) and measured at a specified point on a [[stream]] or river during a year.)
axisymmetric turbulence + (Turbulence that is symmetrically distributed about the direction of the mean flow, as in a pipe or [[wind]] tunnel.)
binary cyclones + (Two [[tropical cyclones]] close enough together for their circulations to interact as the cyclones orbit around a translating point between them.)
analogs + (Two observed states of the [[atmosphere]] that are very close by some measure, also applied to states of a [[model]].)
blowby + (Unburned fuel that escapes around the side of a piston in an internal combustion engine.)
acrolein + (Unsaturated [[aldehydes|aldehyde]], formula CH2CHCHO, formed as an [[oxidation]] product of [[butadiene]], which is a common emission from automobiles.)
butadiene + (Unsaturated compound consisting of two carbon–carbon double bonds, formula CH2CHCHCH2; common constituent of automobile exhaust.)
acetylene + (Unsaturated hydrocarbon, formula C2H2, systematic name ethyne; member of the alkyne family; major component of incomplete combustion.)
admissible concentration limit + (Upper limit of concentration of a substance in water that is deemed not harmful.)
balloon sounding + (Upper-air measurement of [[temperature]] and [[humidity]] made with a [[radiosonde]] attached to a free-flight [[sounding balloon]].)
binary code + (Use of binary numbers in a transmission to represent different conditions.)
automatic data processing + (Use of equipment, usually electronic, to perform calculations or procedures on data to enhance information content or information presentation.)
absorbance + (Used mostly by chemists, the negative [[logarithm]] (base 10) of the [[transmittance]] of an absorbing sample, often corrected for [[reflection]] by its container.)
Brier score + (Useful for assessing the [[accuracy]] … Useful for assessing the [[accuracy]] of predictions that are stated as probabilities, such as probabilities of the occurrence of [[precipitation]], <blockquote>[[File:ams2001glos-Be20.gif|link=|center|ams2001glos-Be20]]</blockquote> where ''fp'' is the forecasted [[probability]] for an event, and the [[verification]] term ''v'' = 1 if the event did occur and ''v'' = 0 if it did not, for each (''i'') of the total number (''n'') forecasts. Brier scores ''S''''B'' range between 0.0 for perfect forecasting and 1.0 for the worst possible forecasting. ''See'' [[skill]].[[skill]].)
altimeter setting + (Value of the [[atmospheric pressure]] used to adjust the subscale of a [[pressure altimeter|pressure altimeter]] so that it indicates the height of an aircraft above a known reference surface.)
air current + (Very generally, any moving [[stream]] of air; it has no particular technical connotation.)
aldehydes + (Very reactive organic compounds that contribute to local and regional [[ozone]] production, and also act as the precursors of [[peroxyacetyl nitrates]].)
blowing spray + (Water [[droplets]] … Water [[droplets]] displaced by the [[wind]] from a body of water, generally from the crests of waves, and carried up into the air in such quantities that they reduce the [[horizontal visibility|horizontal visibility]] to less than 11 km (about 7 statute miles). It is encoded as BY as an [[obstruction to vision]] in surface [[aviation weather observation]] and as BLPY as an obstruction to vision in a [[METAR]] or [[SPECI]] observation.[[SPECI]] observation.)
bank storage + (Water absorbed and stored by the soil pores of the bed and banks of a [[stream]], lake, or [[reservoir]] during higher [[stage]] periods and returned, fully or partially, to the water body as the water stage falls.)
brackish water + (Water containing total dissolved salts in the [[range]] 1000–10 000 mg-1.)
adhesive water + (Water retained by soil constituents as a result of the molecular attraction between the water and the soil.)
blue jets + (Weakly [[luminous]] upward propagating discharges, blue in color, emanating from the tops of thunderstorms.)
below minimums + (Weather conditions below the [[minimums]] prescribed by regulation for the particular action involved, for example, landing minimums, takeoff minimums.)